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Gala2k [10]
4 years ago
9

Please help I need the answer ASAP!!!!!

Mathematics
2 answers:
zloy xaker [14]4 years ago
3 0

h(t) = 80t - 16t²

Ground level is h(0) = 0

We want to solve for t:

h(t)= 0

80t - 16t² = 0

16t(5 - t) = 0

t = 0 or t = 5

Answer: 5 seconds

lisov135 [29]4 years ago
3 0

Answer:5

Step-by-step explanation:Plug in numbers for t until you find an answer. 3 is too small. Plug in 4. Too small. Plug in 5. It works

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A sculpture is in the shape of a square pyramid. The sculpture has a height of 36 feet and a volume of 19,200 cubic feet. Find t
lorasvet [3.4K]

Hello Human!

The answer to this is:

a = 40 feet

<h2><u>EXPLANATION:</u></h2><h2><u></u></h2>

<u></u>

Given:

V = 19,200 feet³  volume of the sculpture

H = 36 feet  height of the sculpture

a = ?  side length of the square base

The formula for calculating the volume of a pyramid is:

V = B H / 3  ⇒ B = 3 V / H

B = 3 · 19,200 / 36 = 19,200 / 12 = 1,600

B = a²

a² = 1,600  ⇒  a = √1,600 = 40 feet

a = 40 feet

Hope It Helped!

<u>And Tell me if The answer is wrong. . .</u>

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<h2><u>Good Luck With Your Assignment!</u></h2><h2><u /></h2>

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